TreeGridLoaded ({ /* JSONP header, to be possible to load from xxx_Jsonp data source */ 
   "Cfg" : { "id": "CalcOrder", "NoVScroll": "1", "NoHScroll": "1"   }, 
   "Cols" : [ 
      { "Name": "X", "Type": "Int"   }, 
      { "Name": "Y", "Type": "Int"   }, 
      { "Name": "A", "Type": "Int", "Formula": "X*X+Y*Y"   }, 
      { "Name": "B", "Type": "Int", "Formula": "X*X-Y*Y"   }, 
		{ "Name": "R", "Type": "Float", "Formula": "B?A/B:0", "Format": "0.00"   }  
   ], 
   "Def" : [  
   	{ "Name": "R", "CalcOrder": "A,B,R"   }  
   ], 
   "Header" : { "A": "A=X\u00B2+Y\u00B2", "B": "B=X\u00B2-Y\u00B2", "R": "R=A/B", "SortIcons": "2"   }, 
   "Body" : [ 
      [ 
         { "X": "10", "Y": "1"   }, 
         { "X": "3", "Y": "4"   }, 
         { "X": "12", "Y": "8"   }, 
         { "X": "7", "Y": "-8"   }  
      ], 
   ], 
   "Foot" : [ 
      { "CanEdit": "0", "CanFocus": "0", "X": "sum()", "XType": "Text", "Y": "sum()", "YType": "Text", "A": "X\u00B2 + Y\u00B2", "AFormula": "", "AType": "Text", "B": "X\u00B2 - Y\u00B2", "BFormula": "", "BType": "Text", "R": "A / B", "RFormula": "", "RType": "Text"   }, 
      { "Calculated": "1", "XFormula": "sum()", "YFormula": "sum()", "CalcOrder": "X,Y,A,B,R"   }  
   ], 
}) /* End of JSONP header */ 